package com.design.pattern.designPrinciples.simpleSegregation.interfaced;

/**
 * create by yufeng on 2021/7/3 11:46
 */
public class Course implements ICourseInfo,ICourseManage {
    public String courseName() {
        return null;
    }

    public byte[] corseVideo() {
        return new byte[0];
    }

    public void studyCourse() {

    }
}
